MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links, one of which, 'https://ttraff.cc/wb?keyword=dfd%20payroll%20management%20system%20pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to lure the user to this malicious site. The presence of a large number of external PDF links also indicates a link farm strategy, likely for SEO poisoning or traffic generation to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.cc/wb?keyword=dfd%20payroll%20management%20system%20pdf In PDF document text
- http://litiras.christianjzanetich.com/uploads/1/3/0/7/130775111/4820315.pdfIn PDF document text
- http://files.sweetretreatsscrapbooking.com/uploads/1/3/1/4/131482941/6473862.pdfIn PDF document text
- http://jalinasa.wcreekoh.com/uploads/1/3/1/1/131164250/kakusiwujabexu_tadudotage_nogewete_remed.pdfIn PDF document text
- http://bizited.somaragdolls.com/uploads/1/3/2/7/132740214/0a914d60783433b.pdfIn PDF document text
- http://nijuwefi.erinumc.com/uploads/1/3/1/3/131383483/guzaruzuzibid.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3014/2363/files/30562368686.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7128/4135/files/xujovademapivi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2246/7750/files/vintila_corbul_caderea_constantinopolului.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2230/0822/files/burufoledekojusibi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4117/5190/files/86240472374.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9381/1619/files/datacamp_courses.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6694/9786/files/62180879340.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7274/8710/files/simone_de_beauvoir_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8575/8628/files/circular_saw_blades_for_cutting_sheet_metal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0704/9887/files/71249732175.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6282/0005/files/11014304527.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2051/5488/files/7th_grade_math_bell_ringers.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c227.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC227 | 1964 bytes |
SHA-256: 289284455135e3aa9e38ee0cdca14a1347dbe536e7083564c16802613e368451 |
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font_01_sfnt_off0000cb58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB58 | 5464 bytes |
SHA-256: aca5e04b7bee1d88c35c73a3302c299ff45add992aac7e3d1a99f68954e4284b |
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font_02_sfnt_off0000dded.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDED | 13980 bytes |
SHA-256: eddc0efb507195f6a33d67f92dffd69c2d26ef5435ebe1e325c545995040b642 |
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